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Ohio, river, United States

(Encyclopedia)Ohio, river, 981 mi (1,579 km) long, formed by the confluence of the Allegheny and Monongahela rivers in SW Pa., at Pittsburgh; it flows northwest, then generally southwest to enter the Mississippi Ri...

Ontario, city, United States

(Encyclopedia)Ontario, city (1990 pop. 133,179), San Bernardino co., S Calif., near Los Angeles, in a region of vineyards; inc. 1891. Manufactures include aircraft and aircraft parts, aerospace vehicle parts, sport...

Orange, cities, United States

(Encyclopedia)Orange. 1 City (1990 pop. 110,658), Orange co., S Calif.; inc. 1888. Citrus fruits and nuts are packed, processed, and shipped; rubber and plastic products, electronic components, aircraft parts, and ...

Oregon, city, United States

(Encyclopedia)Oregon, city (1990 pop. 18,334), Lucas co., NW Ohio, a suburb adjacent to Toledo, on Lake Erie; inc. 1958. It is a port with railroad-owned and -operated docks. The city has industries producing oil, ...

Orlando, city, United States

(Encyclopedia)Orlando ôrlănˈdō [key], city (1990 pop. 164,693), seat of Orange co., central Fla., in a lake region; inc. 1875. In a citrus fruit and farm area, it is one of the world's most visited vacation spo...

Vienna, town, United States

(Encyclopedia)Vienna, town (1990 pop. 14,852), Fairfax co., N Va., a residential suburb of Washington, D.C.; inc. 1890. There is computer software research. Originally called Springfield, Vienna became the site of ...

Vincennes, city, United States

(Encyclopedia)Vincennes vĭnsĕnzˈ [key], city (1990 pop. 19,859), seat of Knox co., SW Ind., on the Wabash River; inc. 1814. The city is the center of an extensive farm area. Its many industries include food proc...

Wabash, city, United States

(Encyclopedia)Wabash wôˈbăshˌ [key], city (1990 pop. 12,127), seat of Wabash co., N central Ind., on the Wabash River; inc. 1849. It is an agricultural trade center for wheat, corn, soybeans, vegetables, and fr...

Wabash, river, United States

(Encyclopedia)Wabash, river, c.475 mi (765 km) long, rising in Grand Lake, W Ohio, and flowing NW into Ind., then generally SW through Ind., becoming the Ind.-Ill. border before emptying into the Ohio River; larges...

Wakefield, town, United States

(Encyclopedia)Wakefield, town (1990 pop. 24,825), Middlesex co., NE Mass., a suburb N of Boston; settled 1639, inc. 1812. Chiefly residential, the town has some light industry, such as the production of plastics an...